Q: Are you manufactory or trade company? A: We are manufacturer .Our factory located in Jiangsu, China. Q: Can provide samples? A: Yes. Q: How many colors available ? A: We have some standard color as stock. We also can supply customer's made color. Q: How would you control your blind quality? A:(1) Set specifications quality standards and Test method according to the customer’s requests before we place the order ; (2) 100% Process inspection QC will do 100% inspection to see if there is any irregular assembly problems. (3) 100%Final inspection When one order finished, QA will do 100% inspection of them, to check the functions and appearance.